import java.util.Random; public class AIPlayer extends Player { private Random random; public AIPlayer(char mark) { super(mark); random = new Random(); } public void makeMove(Board board) { int row, col; do { row = random.nextInt(3); col = random.nextInt(3); } while (!board.isCellEmpty(row, col)); board.placeMark(row, col, getMark()); } }